Prevent kickstart to install image on external LUN

on the HP box , when we try to kickstart , the Linux gets installed on external LUN (Storage) .. so we end up unmapping the LUN and rekick , is there a way to disable the kickstart to ignore the external LUN incase we net boot it again

The ignoredisk option should do just what you want. To ignore all FC-LUNs, for example, put

ignoredisk --drives=/dev/disk/by-path/pci-*-fc-*

into your kickstart file. This is documented here: https://github.com/rhinstaller/pykickstart/blob/master/docs/kickstart-docs.rst\#ignoredisk

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